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Diagnosis of selenium status in grazing dairy goats on the Mexican plateau
Small Ruminant Research ( IF 1.6 ) Pub Date : 2001-07-01 , DOI: 10.1016/s0921-4488(01)00188-2
J E. Ramírez-Bribiesca 1 , J L. Tórtora , M Huerta , A Aguirre , L M. Hernández
Affiliation  

The objective of this study was to determine the concentration of Selenium (Se) in soils, forages and the tissues of kids and does under extensive grazing conditions in two regions of the Tlaxcala state, Mexico (Carrillo Puerto and Ixtenco) in the dry and rainy season. There were no differences in the concentration of Se in soil (0.051 and 0.047ppm), pH of the soil (6.1 and 5.9), concentration of Se in the forage (0.052 and 0.075ppm) and blood serum of goats (0.02 and 0.021ppm) during the dry and rainy seasons, respectively. The Carrillo Puerto region had a significantly higher content of Se in the soil (31%), soil pH (7%), content of Se in forage (25.9%), and content of Se in blood serum of goats (16%) compared to the corresponding values obtained in Ixtenco. The mean concentration of Se in the serum of kids with clinical signs of white muscle disease, was significantly lower (36.3%) compared to the kids from the same farm that were apparently healthy. The results of this study suggest that soil, forages, and goats have a marginal Se status in both regions during the dry and rainy seasons. Further research is required to find the most appropriate method to correct the Se-deficiency in goats from these regions.

中文翻译:

墨西哥高原放牧奶山羊硒状态的诊断

本研究的目的是确定墨西哥特拉斯卡拉州的两个地区(Carrillo Puerto 和 Ixtenco)在干燥和多雨的土壤、饲料和儿童组织中以及在广泛放牧条件下硒 (Se) 的浓度季节。土壤中硒浓度(0.051和0.047ppm)、土壤pH值(6.1和5.9)、牧草中硒浓度(0.052和0.075ppm)和山羊血清(0.02和0.021ppm)没有差异) 分别在旱季和雨季。与 Carrillo Puerto 地区相比,Carrillo Puerto 地区的土壤硒含量 (31%)、土壤 pH 值 (7%)、饲料中硒含量 (25.9%) 和山羊血清硒含量 (16%) 均显着高于到 Ixtenco 中获得的相应值。与来自同一农场的明显健康的孩子相比,具有白肌病临床症状的孩子血清中硒的平均浓度显着降低(36.3%)。这项研究的结果表明,在旱季和雨季,这两个地区的土壤、牧草和山羊都处于边缘硒状态。需要进一步研究以找到最合适的方法来纠正这些地区山羊的硒缺乏症。
更新日期:2001-07-01
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